128 THE COCCIDAE 



1. Cuticle of adult female not with numerous con- 

 ical setae that are as broad as long. 

 J. Body not circular in outline; legs not great- 

 ly swollen and enlarged. 



k. Anal ring retracted and surrounded by Ir- 

 regular outer chitinous ring or plate which 

 supports on each side prominent tubercle 

 bearing several stout setae; antenna of 

 adult female consisting of seven segments. 

 Lefroyia Green. 



kk. Anal ring not retracted and surrounded by 

 outer chitinous ring supporting tubercles 

 with prominent setae; antennae of adult fe- 

 male usually with less than seven seg- 

 ments. 

 1. Antennae of adult female always with 



more than three segments. 

 m. Distance on the ventral aspect of head 

 between antacoriae distinctly less than 

 length of two proximal segments of 

 antennae. 



n. Antennae of the adult female with 

 five or six segments, not genicul- 

 ate; distal segment nearly as long 



as other segments together 



Ripersiella Ckll. 

 nn. Antennae of adult female with five 



segments; antennae geniculate 



Rhizoecus Kunck. 



mm. Distance on ventral aspect of head 

 between antacoriae equal to or great- 

 er than length of two proximal seg- 

 ments of antennae. 



n. Cephalic pair of anal ring setae of 

 adult female nearer together or at 

 most only slightly farther apart 

 than caudal pair; cuticle of female 

 nymphs not provided with rows of 

 blunt setae. 



o. Antennae of adult female with 

 six segments, rarely five or seven; 

 cerari wanting or only anal 

 cerari present; ceraran setae seti- 



form, not conical. 



Riper sia Sign. 



oo. Antennae of adult female with 



six segments; anal cerari only 



present; ceraran setae setiform. 



Cryptoripersia Ckll. 



